Watch offensive lineman run the 40-yard dash in slow(er) motion

Watch offensive lineman run the 40-yard dash in slow(er) motion

The must-see event at the NFL Combine is, for many, the 40-yard dash.For skill position players -- and in some instances, quarterbacks -- the sprinting drill presents an opportunity to impress NFL scouts. Some aim to break 4.4 seconds, a mark that is usually only surpassed a handful of times each year. And each year, one of the big stories entering the Combine is whether Chris Johnson's record-setting 4.24-second 40-yard dash, run in 2008, will be broken.But what may be ...